U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Tully

Usage:

Tully Limestone (NY*,PA*,WV*,OH*,MD*)
Tully Formation (PA)
Tully Limestone of Hamilton Group (MD)
Tully Limestone Member of Harrell Formation (PA)
Tully Limestone Member of Rush Formation (PA)
Tully Member of Mahantango Formation (PA*)


Subunits:

Laurens, New Lisbon, Tinkers Falls, Apulia, and West Brook Members of Tully Limestone (NY) (Johnson, 1976)


Geologic age:

late Middle Devonian (Givetian)*


Type section, locality, area and/or origin of name:

Exposures in town of Tully, Onondaga Co., central NY (Vanuxem, 1839).


AAPG geologic province:

Appalachian basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).